1/2 = 0.5 last time I checked but if you find 0.5 more reasonable that's fine. Seriously though, Wal-Mart has $500 billion revenues but it's not growing at the

1/2 = 0.5 last time I checked but if you find 0.5 more reasonable that's fine. Seriously though, Wal-Mart has $500 billion revenues but it's not growing at the rate of these companies. By lots of metrics these companies are increasingly globally significant in a way that most of the examples you quote aren't.